1616537230231 has 12 divisors (see below), whose sum is σ = 2051412738120. Its totient is φ = 1259639399760.

The previous prime is 1616537230229. The next prime is 1616537230237. The reversal of 1616537230231 is 1320327356161.

It is not a de Polignac number, because 1616537230231 - 2¹ = 1616537230229 is a prime.

It is a super-2 number, since 2×1616537230231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616537230237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1499570176 + ... + 1499571253.

It is an arithmetic number, because the mean of its divisors is an integer number (170951061510).

Almost surely, 2^{1616537230231} is an apocalyptic number.

1616537230231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1616537230231 is a deficient number, since it is larger than the sum of its proper divisors (434875507889).

1616537230231 is a wasteful number, since it uses less digits than its factorization.

1616537230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999141454 (or 2999141447 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 1616537230231 in words is "one trillion, six hundred sixteen billion, five hundred thirty-seven million, two hundred thirty thousand, two hundred thirty-one".